Question

two fifths of the square of the number j in algebraic exprission

Answer 1

Two-fifths ($\frac{2}{5}$) of the square of the number j (j²)

 $\frac{2}{5}$j²

Answer 2

Here we have a mathematical phrase, and we want to transform this into an algebraic expression.

We will find that the expression is:

$(2/5) \cdot j^2$

The phrase is:

"two-fifths of the square of the number j"

First, two-fifths of y is written as

$(2/5) \cdot y$

The square of a number x is written as:

x^2

Then the whole phrase "two-fifths of the square of the number j" can be written as:

$(2/5) \cdot j^2$

This is:

(2/5) times j squared.

or just:

$(2/5) \cdot j^2$

If you want to learn more, you can read:

https://brainly.com/question/11227332